122552752613 has 2 divisors, whose sum is σ = 122552752614. Its totient is φ = 122552752612.

The previous prime is 122552752591. The next prime is 122552752643. The reversal of 122552752613 is 316257255221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119065023364 + 3487729249 = 345058^2 + 59057^2 .

It is a cyclic number.

It is not a de Polignac number, because 122552752613 - 2²² = 122548558309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122552752643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61276376306 + 61276376307.

It is an arithmetic number, because the mean of its divisors is an integer number (61276376307).

Almost surely, 2^122552752613 is an apocalyptic number.

It is an amenable number.

122552752613 is a deficient number, since it is larger than the sum of its proper divisors (1).

122552752613 is an equidigital number, since it uses as much as digits as its factorization.

122552752613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 41.

The spelling of 122552752613 in words is "one hundred twenty-two billion, five hundred fifty-two million, seven hundred fifty-two thousand, six hundred thirteen".